Three-Dimensional Object Position Tracking System

1. An electronic device comprising: a positional reference indicator comprising at least two location beacons coupled to said positional reference indicator in a fixed spaced apart relation, defining a fixed distance; a hand-held controller comprising absolute orientation sensors, including a gyroscope, a magnetometer, and an accelerometer, said absolute orientation sensors generating sensor signals which vary based upon movement of said hand-held controller, wherein said sensor signals generated by said absolute orientation sensors comprise linear motion, rotation in space comprising roll ϕ, pitch φ, and yaw ψ, and earth's magnetic fields; a beacon sensing device comprising a camera housed within said hand-held controller, said beacon sensing device generating reference data when positioned to sense said at least two location beacons; and a processor which receives said sensor signals and said reference data, said processor communicatively coupled to a non-transitory computer readable medium containing computer-executable instructions executable to compute a position and an orientation of said hand-held controller relative to said positional reference indicator, wherein said position and said orientation of said hand-held controller relative to said positional reference indicator comprises a three-dimensional coordinate positional location of said hand-held controller and an absolute orientation of said hand-held controller within two different dimensioned environments comprising a two-dimensional active area and a three-dimensional active volume; wherein said magnetometer operably coupled in conjunction with said beacon sensing device to generate said three-dimensional coordinate positional location of said hand-held controller and said absolute orientation of said hand-held controller from a two-dimensional image comprising said at least two location beacons at said fixed distance.

2. The device of claim 1 , wherein said at least two location beacons comprise light emitters generating infrared light.

3. The device of claim 1 , wherein said hand-held controller comprises an approximately pen shaped stylus.

4. The device of claim 3 , wherein said approximately pen shaped stylus comprises a user interface end and an eraser end.

5. The device of claim 4 , wherein said user interface end of said approximately pen shaped stylus comprises a capacitively sensible tip.

6. The device of claim 5 , wherein said eraser end of said approximately pen shaped stylus comprises a capacitively sensible portion.

7. The device of claim 1 , wherein said absolute orientation sensors are selected from one or more of an acceleration sensor, a vibration sensor, a shock sensor, a tilt sensor, and a rotation sensor.

8. The device of claim 7 , wherein said absolute orientation sensors are selected from one or more of a multiaxis gyroscope, a multiaxis magnetometer, and a multiaxis accelerometer.

9. The device of claim 1 , wherein said movement of said hand-held controller comprises at least one of acceleration, vibration, shock, tilt, and rotation.

10. The device of claim 1 , wherein said hand-held controller comprises a radio frequency generator housed within said hand-held controller.

11. The device of claim 10 , wherein said hand-held controller comprises a sensor housed within said hand-held controller, said sensor in operable communication with said capacitively sensible tip.

12. The device of claim 11 , wherein said hand-held controller comprises a touch-sensitive pad positioned on an outer casing of said hand-held controller.

13. The device of claim 1 , wherein said positional reference indicator comprises one or more magnets coupled to said positional reference indicator to allow said positional reference indicator to attach to a laptop computer.